Type: D7A1X, type A
Introduction:
Type "A", "LT" concentric butterfly valve is produced based on the advanced technology from the USA which has won the Nation Superior Quality Prize for many times. It has been more than 20 years since we produced them firstly in China. It has many ways of actuation including manual actuator, worm-gear actuator, aerodynamic actuator and electric actuator, and the range of inside nominal diameter is from DN50 to DN1,000mm.
Our butterfly valves can be used on pipelines in the industries of petroleum processing, chemical engineering, food, medicine, textile, paper making, hydroelectricity engineering, ship building, water supply and drainage, metallurgy, energy engineering as well as light industry. Our butterfly valves are ideal for the flow of corrosive gases, liquids, semi-liquids and solid powder.
Features:
1) A butterfly valve consists of body, stem, disc, seat and actuator (manual actuator, worm-gear actuator, aerodynamic actuator or electric actuator), and it can implement the process for turning on, turning off and regulating the flow by the circumrotation of stem and disc that is droved by actuators
2) Simple and compact construction, small in size and light in weight, easy transportation, installation and maintenance
3) Quick 90 degrees on-off operation, minimized operating torque, energy saving
4) Excellent sealing performance with no leakage, long service life
5) Wide selection of materials, applicable for various media
6) Flow curve tending to straight line
7) Excellent regulation performance
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